- 問題詳情:WelcometothisshorttourofLondon.InthissquarewearestandinginthemiddleofLondon.OppositeistheNationalGallery,amuseumwithlotsoffamouspaintings.GoalongtheredstreettoBuckinghamPalace.Thequeenliveshere.TurnleftandgototheHousesofParliamentandBigBen.Op...
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